A solid-state drive (SSD) is a data storage device that uses solid-state storage to store persistent data with the intention of providing access in the same manner of a traditional mechanical spinning/magnetic block I/O hard disk drive.

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110
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13answers
79k views

How do I optimize the OS for SSDs?

What steps should be taken before/during/after installation of Ubuntu on a Solid State Drive to optimize performance and ensure maximum durability of the drive?
125
votes
2answers
143k views

How to enable TRIM?

I know that the Linux kernel supports TRIM as of version 2.6.33, so there should be TRIM support in ubuntu. Is TRIM enabled by default or do I need to change some settings or install additional ...
42
votes
4answers
20k views

How do I install and use flashcache/bcache to cache HDD to SSD?

I want to know if there is anyone who has tried installing and running their kernel built with flashcache or bcache for SSD caching? How did you manage to do it?
42
votes
5answers
99k views

Installing Ubuntu on a SSD

Going to install Ubuntu 10.10 on new intel x25M 80GB SSD. It will be fresh install. I have been googling for past few days and getting overwhelming articles/blogs/Q&As. One particularly very ...
10
votes
2answers
16k views

How to combine an SSD boot drive with a HDD data drive? [closed]

I have a SSD with 64 GB and a 6 GB/s 1 Terabyte harddrive. I want to use the SSD only as a boot device and maybe for swap storage. On the 1 Terabyte harddrive I want ot have the main file system. As ...
31
votes
2answers
7k views

Is a 40GB SSD practical to use for ' / '

I was lucky enough to be given a 40 GB SSD as a Christmas gift; and, given the inherent speed of these drives, decided it would be best used as the / partition; but then it occurred to me that this ...
12
votes
3answers
20k views

Do I need Intel Smart Response when installing Ubuntu?

With lots of guides and setup variations all over the internet, I find it confusing which is which to really follow. Normally, in Windows 8 my setup would be install everything in the HDD and use ...
28
votes
3answers
17k views

How to move Ubuntu to an SSD

My current situation is: One hard disk Dual boot Ubuntu 11.04 and Windows 7. Partitions: 100MB Windows System thingy 144GB Main Windows 160GB Ubuntu 4GB Swap 12GB System Restore stuff Now I want ...
23
votes
5answers
11k views

What is the recommended way to empty a SSD?

I've just received my new SSD since the old one died. This Intel 320 SSD supports TRIM. For testing purposes, my dealer put malware, err, Windows on it. I want to get rid of it and install Kubuntu on ...
11
votes
2answers
25k views

GRUB: “invalid arch independent ELF magic” after install on SSD [duplicate]

I've got a brand new laptop with a 128GB SSD drive. I read that aligning the partitions to match the Erase Block Size of the SSD is important. I followed William Scott's guide SSD Tweaks in Linux and ...
25
votes
1answer
21k views

How is Trim enabled? [duplicate]

I have heard, that Ubuntu 14.04 will have Trim enabled by default. How will this be done? By adding a discards option to the ext4 mount options or by running a cron-job? Will the default options for ...
6
votes
1answer
10k views

Is it safe to format msftres, msftdata and hidden partitions?

I have an acer V7 which came with a 1TB HDD, 24GB SSD and Windows 8 installed. I have installed Ubuntu onto the SSD and formatted the main partitions of the HDD. However, I also notice 3 other ...
4
votes
2answers
4k views

How to boot Ubuntu from SSD drive which cannot be selected as boot device?

I have freshly installed Ubuntu 12.10 (64 bits) on an Asus S405CM-WX117H laptop (similar to this one) which features a 24GB SSD drive and a regular 500GB hard drive. I placed the / (ext4) root file ...
7
votes
1answer
3k views

How do I symlink certain directories in /home to an SSD?

In Is a 40GB SSD practical to use for ' / ' Jorge describes how he symlinks things in his /home that would benefit from being on an SSD. How is this done? I've figured that I need to do the ...
3
votes
3answers
8k views

Setup for dual disk (SSD+HDD) with /home partition

I'm going to move from HDD to SSD (60GB) + HDD (250GB) setup. Basicly I want the system to be fast. Root partition will be on SSD but I'm not sure what to do with /home. All data like /pictures ...
2
votes
2answers
4k views

Installing programs in root vs home partitions?

I'm a new Linux user and a Windows convert. I tried Ubuntu (Dapper Drake) a few years ago and liked it quite a bit, and I'm in the process of installing Xubuntu 13.10 along side Windows7 on my brand ...
3
votes
1answer
4k views

Partitions for Ubuntu and Windows 7 dual boot on SSD + HDD setup

I have purchased a new SSD (120GB) and I had a HDD (1TB) already installed. I will install both Ubuntu and Windows on these drives. As the file space on the SSD is limited and I've read that writing ...
2
votes
1answer
4k views

Installing Ubuntu 13.04 on a MSATA SSD

I am trying to install Ubuntu 13.04 on my 24Gb MSATA SSD. In my laptop, I've also got a 500Gb SATA HDD. I realize that in order for this to work I need to put my /home directory on the 500Gb HDD. ...
23
votes
1answer
22k views

How well are SSDs supported?

I'm planning to buy an SSD (Corsair Force Series 60GB) but haven't found any reassurance that it is "safe" to install Ubuntu 11.04 on without commands or "hacks". I want to install Ubuntu on an SSD ...
9
votes
3answers
13k views

Clone internal HDD to new SSD

I recently installed an SSD into my machine. The machine itself is a Lenovo thinkpad W520, and it previously had an internal HDD. I moved the internal HDD into an expansion bay (replacing the CD-ROM), ...
6
votes
6answers
4k views

How can I tell linux kernel to completely ignore a disk as if it was not even connected?

Notice Please scroll down for the answer (it has 0 points but it is the correct one). The problem is solved by a patch that will be in kernel 3.12.7 and up; I hope it will back-ported to earlier ...
4
votes
1answer
3k views

Boot failure: failed: command IDENTIFY PACKET DEVICE

Trying to install from CD desktop image and getting: ata8.00: exception Emask 0x52 Sact 0x0 SErr 0xffffffff action 0xe frozen ata8: SError: { blah blah } ata8.00: failed command: IDENTIFY PACKET ...
3
votes
1answer
2k views

What would be a good partitioning scheme for 128 gb SSD and 640 GB HDD

I have a combination of 128 GB SSD and a 640 GB HDD. I'm planning to install Xubuntu 12.04 on it. I have read some question here (like What's a good partition method to combine an SSD boot drive with ...
16
votes
2answers
12k views

How do I check whether partitions on my SSD are properly aligned?

I just installed ubuntu on my new intel SSD. Now I am not sure, whether paritions are properly aligned in respect to my specific SSD. Here's my fdisk output. $ fdisk -l Platte /dev/sda: ...
31
votes
5answers
22k views

Does Ubuntu have support for the TRIM command for use with SSD?

SSD drives need to be "cleared/reset" after the drive fills up to maintain performance. This is done through the TRIM command for new SSD drives. Does Ubuntu support the TRIM command (through hdparm ...
4
votes
1answer
5k views

Can I cache an mdadm raid with an ssd?

I have a 1TB array set up in raid 1 using mdadm on Ubuntu 8, to store mission-critical files. I'd like to speed up read/write, especially for large files by caching to an SSD. Is this possible? Does ...
19
votes
3answers
3k views

What in /home would benefit from being on an SSD?

In Is a 40GB SSD practical to use for ' / ' Jorge describes how he symlinks directories in his /home that would benefit from being on an SSD. The directories he names are ~/.cache ~/.config ...
2
votes
1answer
371 views

Reorganize partitions with HDD and SSD

In my notebook I have a 16GB SSD and 1TB HDD. I have installed W7 an the HDD ~250GB. Then I have installed Ubuntu 12.04. The / I put on the SSD with ~12GB and also the SWAP with the rest of ~4GB. The ...
4
votes
1answer
5k views

Why doesn't Ubuntu detect all of my RAM on 64-bit? [duplicate]

Possible Duplicate: Ubuntu only detects 3.1 GB of ram on Ubuntu 64 bit ISSUE IDENTIFIED: BIOS bug. See dmesg output below. Question is: How to resolve this? Change made since 2.6.32 have ...
0
votes
1answer
590 views

Empty Disk when trying to install dual-boot system

I recently purchased an SSD to speed up my computer experience. Before, I had Windows 7 and Ubuntu in a dual-boot system. The plan was to install Windows 8 on the SSD and then set aside ~30GB for the ...
21
votes
4answers
4k views

With an SSD, do I need to change my swappiness to increase SSD life?

I encountered this article which includes the following suggestion: Swap and swappiness I kept my swap partition on the old HDD. Swap on the SSD would be faster, but would also shorten the ...
14
votes
2answers
9k views

Do I need to enable TRIM if I have a non-Intel/Samsung

I read in one of the webupd8 articles that TRIM support, which was introduced in Ubuntu 14.04, by default only works for Intel and Samsung SSDs. What about other? I am using Dell XPS 13 Dev Edition ...
2
votes
3answers
7k views

SSD Tweaks for Ubuntu 12.04 [duplicate]

Possible Duplicate: How do I optimize the OS for SSDs? I need to tweak my Dell XPS 13z SSD for maximum performance and life cycle than I read the solutions explained here, but it is for ...
19
votes
5answers
3k views

Is Seagate's new “FAST Factor Boot” technology compatible with Ubuntu?

I'm looking at buying a new laptop and considering buying one with a hybrid HDD/SSD drive. Specifically I am looking at the new second generation Seagate Momentus XT. For some reviews look here and ...
8
votes
2answers
10k views

TRIM on an encrypted SSD

wiki.ubuntuusers.de says if I want to use TRIM on an encrypted SSD, I need at least cryptsetup 1.4 and kernel 3.1. Do I need this, when creating the partitions and setting up encryption, or is ...
7
votes
2answers
5k views

How to set up SSD raid and TRIM support?

I am looking to set up a new server. I can only use Intel 520 Series 240gb MLC ssds or standard Seagate 7200rpm disks. These are the non negotiable options. Naturally, as this is going to be running ...
7
votes
4answers
2k views

What about the performance enhancement when using an SSD as the main disk?

I'm planning to buy a new PC and I am thinking about using an SSD as the main disk. I'd also use a standard spinning disk and I'd mount it to /home. To the people already using such a setup: does ...
4
votes
2answers
8k views

Will a laptop with hybrid HDD + SSD run Ubuntu?

So my ol' X71SL is starting to show its age and as much as it saddens me, I think I'll need a new daily driver and I am very intered in the Asus UX32VD. I intend to dual boot if I end up buying it, ...
3
votes
2answers
9k views

Do I need swap with new SSD?

Am about to upgrade to new SSD and thinking through partition migration process. Will I need SWAP with an SSD? I have 8GB RAM and an i5 processor.
1
vote
1answer
44 views

Install package to specified directory, e.g, some where under /home

I do not want packages to be installed under /. (sudo apt-get install ...). The reason why I need to do this is that: My '/' is mounted with my SSD(16GB) and my hard disk(500GB) is mounted at ...
1
vote
1answer
414 views

12.04 Installer is not recognizing current OS

I am trying to install Ubuntu 12.04 LTS on my Lenovo Y570, which already has Windows 7 on it. In the installer, it says that no OS is currently installed on my computer, and it only gives me two ...
4
votes
2answers
3k views

Advantages of separate /home partition on HDD + SSD setup

I have a brand new SSD and would like to optimize my Ubuntu 12.10 installation for best speed and durability of device. From what I know, there should always be a lot of free space in an SSD, and ...
3
votes
1answer
1k views

Is it safe to install the / partition on an SSD?

I've just purchased a laptop Dell Inspiron 14z, with a HDD with 500G and a SSD with 32GB. I installed 12.04 on it, setting the partitioning table like this: /home and swap partitions in the HDD, / ...
2
votes
3answers
5k views

raid advice with SSD and two HDD

I have a new machine with one 128GB SSD and two 1TB HDD. On the SSD is the OS and my initial thought was to put the two HDD in RAID 1 for user data. After some more thought I came up with two other ...
1
vote
2answers
2k views

ELF header smaller than expected

I have a Dell XMP-13 Ultrabook (SSD drive only) with 12.04 installed dualboot with the original windows. It has been running flawlessly for many many months. Today in the middle of a system update ...
0
votes
1answer
78 views

Move or Install Apps on HDD not SSD

I find a few threads that essentially say "you don't have to do that", so here goes: I already can find how to move the Home folder for a single user off my SSD. I think I have an idea how to do that ...
0
votes
2answers
311 views

Dual Boot Windows 7 and Ubuntu with SSD and HDD

So I have an Acer laptop that has both an HDD and SSD. I have been having trouble dual booting Ubuntu with Windows. For some reason Ubuntu does not recognize Windows and I do not want to wipe out ...
20
votes
4answers
23k views

How do I check the health of a SSD?

We all know that SSDs have a limited predetermined life span. So the question for me is how do I check in (Ubuntu) Linux what the current health status of my SSD is? And maybe an estimation how long ...
2
votes
1answer
1k views

Shutdown slow in 13.04, hangs on shutting down processes

I believe this problem has existed since I upgraded to 13.04. I have an SSD, so differences in boot/shutdown times are very noticeable. It used to take a couple of seconds to shut down - now, it takes ...
2
votes
4answers
7k views

Cloning a dual boot system from HDD to SSD

I'm planning on replacing my laptop's HDD with a 256GB SSD, but I have a dual-boot (12.04 and Windows 7) setup and I'd like to be able to directly migrate Ubuntu over without having to reinstall and ...